What to do if tomatoes in a greenhouse aren't setting fruit

In this article, we'll explore in detail why tomatoes aren't setting fruit in a greenhouse and what to do in this situation. Clearly, the cause must first be determined before taking specific measures to resolve the issue.

Tomatoes are vegetables that require specific growing conditions. Specifically, it's important to select the right soil, maintain the required humidity level, and also pay attention to the quality of the greenhouse. The cause of fruit drop may be, among other things, a lack of or excessive amounts of fertilizer, as well as poor lighting in the greenhouse. So, as you can see, this is a serious and multifaceted issue, and it all needs to be addressed in order.

Pollination of tomatoes

This is probably the first logical suspicion a gardener has when their beautiful, lush tomato plants are missing fruit ovaries. Pollination is essential for proper flower formation, and while this isn't a pressing issue when growing tomatoes outdoors, it's essential in a greenhouse. Clearly, greenhouses are free of insects, wind, or rain, which directly contribute to the pollination process.

Your greenhouse should definitely have vents that can be opened when needed. Once buds begin to form on the tomatoes, open them periodically to allow access not only to insects but also to a breeze. To further attract insects, you can bring a few pots of fragrant and sweet flowers into the greenhouse.

Advice! If the greenhouse is very large, it is recommended to keep a beehive inside. However, this is most often relevant for industrial greenhouses. conditions for growing tomatoes.

How to achieve natural pollination at a certain time:
1. Shake the flowers yourself so that the pollen falls onto the pistils.
2. Turn on a fan in the greenhouse, which will ensure air movement, which, in turn, will transfer pollen from plant to plant.
3. Transfer the pollen yourself. You can use a brush or cotton swab for this.

Temperature, air humidity

Why aren't my tomatoes setting fruit in the greenhouse? What should I do? The temperature conditions for this plant may be incorrect. Please note that for normal fruit development, the air temperature should be between 20-25 degrees Celsius. Tomatoes prefer a moderately humid, but warm climate.

If the air temperature in your greenhouse remains below 15 degrees Celsius for an extended period, pollen simply won't be able to mature. Make sure your greenhouse is adequately insulated. If the temperature exceeds 30 degrees Celsius, the pollen loses its sterility, and the greenhouse becomes extremely hot. To lower the temperature, ventilate the greenhouse.

Air humidity is also important. If it's too high, tomatoes will develop various fungal diseases. The pollen will clump together and fall in clumps. Dry air will prevent the pistil from germinating.

Important! Pay special attention to soil moisture. It should be adequate, and tomatoes will tolerate short-term drought well. However, during flowering, watering should be regular to prevent the blossoms from falling off. If the leaves curl and the tops of the plants droop, this is a sure sign that the tomatoes need urgent watering.

About feeding

Why tomatoes in the greenhouse don't set fruit, what to do in a situation when there are some doubts about correctly applied fertilizerIf there are too many or too few micronutrients in the soil, ovaries will not form. Frequent fertilization can result in excessive nitrogen in the fruit, which will cause the flowers to change appearance and prevent fruit from forming at all.

Very often, fruit buds drop due to a lack of nitrogen or phosphorus in the soil. It's essential to periodically apply superphosphate to the soil according to a strictly defined schedule.

What is the correct method for fertilizing tomatoes (calculation is based on 10 liters of water):
1. After two weeks, apply complex nitrophoska fertilizer.
2. After picking, add another tablespoon of superphosphate and potassium sulfate after 2 weeks.
3. After planting in the ground, apply the first fertilizer a week later, simply watering the bushes with a weak solution of potassium permanganate. Then, after two weeks, apply 20 grams of ammonium nitrate, and after another week, apply a foliar fertilizer containing 10 grams of superphosphate, 10 grams of urea, and potassium sulfate.

These are the main reasons why they don't tie up. tomatoes In a greenhouse. The course of action in each specific case depends on the situation. Once the cause is established, it's important to understand the correct course of action and how to properly adjust the tomato growing conditions to ensure a great harvest from each plant.